Key measures for efficient pig raising in summer
There are many hot and humid summers, and the high temperature and high humidity weather will cause heat stress in the pigs and induce various diseases. The farmers should improve the environment, strengthen management and improve the breeding efficiency from the following aspects:
First, buy piglets
To produce piglets of good variety, healthy, disease-free and well-developed at the lowest possible price. In particular, it is more important to purchase from outside the country: 1 piglets that should be purchased for more than 7 days of immunization should not be injected urgently at the time of shipment; 2 understand the feeding methods, diet composition, daily feeding times, etc. of piglets; To carry out quarantine of the place of origin, there is a quarantine certificate issued by the local inspection department; 4 transportation should be carried out by a special person, the transportation time is preferably no more than 1 day and 1 night; 5 newly purchased piglets should be restricted for feeding within 1 week, taking less Feed more than sixty-seven percent of the meal, feed the feed of the original place, and use the feed of the field for feeding one week later.
Second, reasonable materials
The efficiency of raising pigs depends to a large extent on how to choose materials. According to the different physiological stages of the pig, the raw materials can be reasonably matched to meet the nutritional needs of the pigs. Be careful not to change the materials suddenly, and the new and old materials should have a 5-7 day adaptation process. At the same time, pay attention to the safety of materials, do not use illegal drugs, prevent drug residues from affecting humans; do not use metamorphic feed to prevent harm to pig health; use protein feeds containing toxins such as cottonseed cake and rapeseed cake carefully to prevent harm to pigs and hazards Humans; be careful to use pig water to feed pigs, must master the classification and collection, strictly remove all kinds of foreign bodies and moldy deterioration, excessive fermentation of the substance, boil, limit before use. Self-matching feed should pay more attention to the ratio: gluten-based feed accounts for 10%-20% of the total, but at most 20%; cake-based feed should account for 10%-20% of the total, and piglets should not be added to the feed; The maximum amount of grain should not exceed 60% of the total; animal feed should be 4%-8% of the total, but piglets should not feed pig blood; green and juicy feed is easy to digest, generally accounting for 40% of the total.
Third, meticulous management
1. Suitable for warm and humid.
The summer temperature is high, the humidity in the house is increased, and harmful gases such as ammonia and hydrogen sulfide are generated quickly, which is not conducive to production. Therefore, measures must be taken to prevent heatstroke and heat radiation. Closed pig houses should also pay attention to relative humidity, generally 60%-70% for sows, 60%-70% for delivery rooms, and 65%-80% for fattening houses. The temperature and humidity are high, and the daily weight gain, feed utilization rate and health level of pigs will be seriously affected.
2. Reasonable density.
Generally, the area per pig is: 0.3-0.5 square meters for piglets, 0.5-0.7 square meters for young pigs, 0.9-1.1 square meters for finishing pigs, and 1.5-2 square meters for sows.
3. Adequate drinking water.
Under normal circumstances, the amount of water required by pigs is less than two. Pigs need 4 kg of water for every 1 kg of dry matter. In summer, the temperature is high and the drinking water should increase to 5-6 kg.
4. Feed at night.
In summer and evening, the weather is cool and there is less disturbance from outside. The feeding can be changed to nighttime, which is conducive to eating more pigs and sleeping more, which is conducive to increase. The sows can increase the survival rate of the piglets by using the appropriate amount of ginger and mashed soup mixes half a month before delivery.
5. Strict disinfection.
Develop a strict disinfection system, do a good job in environmental sanitation and disinfection, and prevent pathogen invasion. Commonly used disinfectants are quicklime, plant ash, caustic soda, peracetic acid, and the like. However, these drugs must pay attention to the concentration when formulating the solution. The caustic soda should be formulated into a 1%-3% hot solution, the quicklime is formulated into 10%-20% lime water, and the peroxyacetic acid should be formulated into 0.2%-0.5% for spraying the soaking utensils and the ground.
6. Prevention and treatment of diseases.
Pay attention to daily observations and discover diseases in time. The physiological activities of pigs are very natural and regular. 1 Demeanor: The normal response is sensitive, some people are close to being shocked; the sickness is weak, and it does not move, squatting in the corner. 2 diet: normal appetite is strong, there are certain rules, eat more and faster; sick, do not eat less food or eat foreign things. 3 feces and urine: urine turbid, yellow, thin stools or dry hard is a manifestation of illness. 4 nose: dry and no sweat, more mucus near the nostrils is a disease manifestation. 5 skin: rough, swollen, ulcers, erythema are sick.
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